142214420 has 24 divisors (see below), whose sum is σ = 302859648. Its totient is φ = 56084000.

The previous prime is 142214419. The next prime is 142214467. The reversal of 142214420 is 24412241.

142214420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 142214392 and 142214401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48656 + ... + 51495.

It is an arithmetic number, because the mean of its divisors is an integer number (12619152).

Almost surely, 2^142214420 is an apocalyptic number.

142214420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142214420 is an abundant number, since it is smaller than the sum of its proper divisors (160645228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142214420 is a wasteful number, since it uses less digits than its factorization.

142214420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100231 (or 100229 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 142214420 is about 11925.3687574012. The cubic root of 142214420 is about 521.9728067728.

Adding to 142214420 its reverse (24412241), we get a palindrome (166626661).

The spelling of 142214420 in words is "one hundred forty-two million, two hundred fourteen thousand, four hundred twenty".